ADJ • as sharp as a tack

बहुत:    plenitude world packet pile score thousand number

बहुत ही:    increasingly pre-eminently real uproariously very

बहुत ही बुद्धिमान:    egghead

ही:    only scilicet scarcely scarce nay certainly yea

बुद्धिमान:    prudence intelligencer uptake brain brainiac

और:    More yet too much further else also and

सतर्क:    alarmed on the watch particular sensible